55 lines
2.3 KiB
C
55 lines
2.3 KiB
C
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/*
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* QuickJS C atomics definitions
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*
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* Copyright (c) 2023 Marcin Kolny
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#if (defined(__GNUC__) || defined(__GNUG__)) && !defined(__clang__)
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// Use GCC builtins for version < 4.9
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# if((__GNUC__ << 16) + __GNUC_MINOR__ < ((4) << 16) + 9)
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# define GCC_BUILTIN_ATOMICS
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# endif
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#endif
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#ifdef GCC_BUILTIN_ATOMICS
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#define atomic_fetch_add(obj, arg) \
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__atomic_fetch_add(obj, arg, __ATOMIC_SEQ_CST)
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#define atomic_compare_exchange_strong(obj, expected, desired) \
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__atomic_compare_exchange_n(obj, expected, desired, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
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#define atomic_exchange(obj, desired) \
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__atomic_exchange_n (obj, desired, __ATOMIC_SEQ_CST)
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#define atomic_load(obj) \
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__atomic_load_n(obj, __ATOMIC_SEQ_CST)
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#define atomic_store(obj, desired) \
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__atomic_store_n(obj, desired, __ATOMIC_SEQ_CST)
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#define atomic_fetch_or(obj, arg) \
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__atomic_fetch_or(obj, arg, __ATOMIC_SEQ_CST)
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#define atomic_fetch_xor(obj, arg) \
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__atomic_fetch_xor(obj, arg, __ATOMIC_SEQ_CST)
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#define atomic_fetch_and(obj, arg) \
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__atomic_fetch_and(obj, arg, __ATOMIC_SEQ_CST)
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#define atomic_fetch_sub(obj, arg) \
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__atomic_fetch_sub(obj, arg, __ATOMIC_SEQ_CST)
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#define _Atomic
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#else
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#include <stdatomic.h>
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#endif
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